The protection work is very important, regular replacement of gas hose and make use of the gas hose gas pipeline safety in general, the gas hose has a life span of two years, usually pay more attention to inspection / check whether the aging hose, wear, corrosion or bad connection, avoid leakage.

Q:How to replace natural gas hose? Steps?

Replace the natural gas hose first pressure relief, and resolutely put an end to the operation with pressure;According to the connection way of the hose, if it is O ring sealed, just tighten it directly;If it is cone thread, it can be wrapped with raw material tape or sealant.

Q:Laboratory condensate water pipe must use rubber tube, shall not use latex tube reasons

Press joint standards; hydraulic pipe fittings - screw thread. A standard two; classification; 1. screw internal and external threads two; 2.; according to the tooth shape can be divided into: 1) 2) 3 triangular thread trapezoidal thread; according to the 3. line number single thread and multi thread;; 4. by rotation in the direction of the left and right screw screw two, right standard; 5. by use of different points are: with the common thread, metric thread sealing pipe; two. 1. common metric screw threads; metric screw thread with a capital M, tooth type angle 2 DEG =60; 2. metric screw thread according to pitch

Q:How to install the water hose and do you use the tape? Or direct installation?

Installation of water hose, joint with PVC (or metal pipe) head, the end of the connector with 8 iron wire at least two tied, and tied together at the end of a piece of wire;

Q:The difference between silicone tube and rubber tube

First of all, we can find the difference between the material of silicone rubber tube and rubber tube. Smell it with your nose. Silicone doesn't taste. Rubber has a flavor. Silicone is generally more flexible, and rubber is more mechanical.Silica gel tube has high and low temperature (-60 ~ 200 DEG C), environmental protection, non-toxic, excellent heat aging, ozone aging resistance, light aging and aging resistance, soft, arc resistance, corona resistance.

Q:How can we prevent the aging of rubber tubes?

The second is the design of the structure of the rubber products (especially damping products), has a great relationship between aging and fatigue, should avoid stress concentration! If the product is good has been produced to prevent aging, more trouble! Can be sprayed on the rubber surface, spraying insulation polymer.

Q:Is the electric water heater well connected with the metal hose?

The electric water heater, now in the industry are required to use PPR on the inlet and outlet pipe welding, a long service life, can effectively control the water heater outlet Water Leakage; on the other hand, can avoid the water heater power switch for two grounding and frequent take-off effectively. Therefore, the metal pipe connection does not meet the safety and installation specifications

Q:Do I need a shim for the flat metal hose joint?

If one of the two interconnected joints is one of those with a groove and a O ring, it would be better to put the O ring in it and seal it better.

Q:Plastic coated metal hose flexible conduit joint what treatment

You see what the other end is connected to the main, if the connecting hose can be used self fixed joints, if no thread connection pipe, to set joint by three column card, if the connection device or threaded pipe, external thread joint, and some fittings, Glenn joint